L Arginine Powder
Worth a lookShows low returns (0.0%), but soft demand (-1.4% this quarter) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$24.59avg listing price — sweet spot $15–$100
Price range
Great$12.85–$47.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay1,571.26avg incumbent reviews — the moat a new listing must climb
Market size
Okay$185K$185K/yr · 88K searches
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Growth
Bad-1.4%90-day search growth — must beat 0% to launch
Is l arginine powder profitable on Amazon?
According to Flapen's Amazon United States niche tracking, l arginine powder is a $185K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
l arginine powder market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $148K–$197K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #241
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 95%
- Out of stock
- 0.0%
- Avg brand age
- 88 months
- Avg seller age
- 164 days
Competition: brands, sellers & click share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
23
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
9%
- Nutricost43%
- BulkSupplements27%
- L-ARGININE PRO9%
- Doctor's BEST5%
- Evlution4%
- NOW Foods3%
- Open — no brand owns it (5 brands, 9%)
l arginine powder demand & seasonality
Weekly Amazon search volume, last 98 weeks — -1.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top l arginine powder search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- l arginine powder40K/yr
- arginine powder24K/yr
- l-arginine powder19K/yr
- l arginine powder for men4K/yr
Top l arginine powder products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nutricost L-Arginine (250 Grams) - Pure L-Arginine Powder - 5000mg Per Serving; 50 Servings
Nutricost$12.854.2★3,820 rev
BulkSupplements.com L-Arginine Powder - L-Arginine Base Arginine 1000mg Arginine Supplement - Nitric Oxide Powder Nitrous Oxide Supplement - Gluten Free 1000mg per Serving 500g (1.1 lbs)
BulkSupplements$21.194.4★3,731 rev
Nutricost L-Arginine Powder 500 Grams (1.1lbs) - Pure L-Arginine Powder - 5000mg Per Serving; 100 Servings
Nutricost$21.724.2★3,820 rev
BulkSupplements.com L-Arginine HCl Powder - Nitric Oxide Supplement Arginine Powder - Unflavored & Gluten Free 5g per Serving 500g (1.1 lbs) (Pack of 1)
BulkSupplements$21.714.5★1,183 rev
L-Arginine Pro 5 500mg L Arginine + 1 100mg Citrulline | Nitric Oxide Booster |Supports Pre Workout Energy Blood Flow & Circulation Grape (30 Servings)
L-ARGININE PRO$39.064.4★1,637 rev
Newest
by launch date
Vitamatic L-Arginine Pure Powder 500 Gram | Unflavored | Non GMO | Gluten Free | No Additives | 5000mg Per Serving | 100 Servings
Vitamatic$17.9029 rev
Nutricost L-Arginine Complex (Fruit Punch) 60 Servings Gluten-Free
Nutricost$27.5694 rev
L Arginine L Citrulline Powder - Invigorating Nitric Oxide Powder with Ideal 1:1 Ratio L-Citrulline & L-Arginine 1000mg Each Per Serving for Enhanced Pumps Energy & Stamina (Unflavored 75 Servings)
Evlution$18.51657 rev
PURE ORIGINAL INGREDIENTS L-Arginine Powder (1 lb) Amino Acid No Fillers Dietary Supplement
PURE ORIGINAL INGREDIENTS$19.9462 rev
L-ARGININE PRO | 5 500mg L-Arginine Plus L-Citrulline 1 100mg | Powder Drink Mix | Nitric Oxide Booster | Supports Pre Workout Energy Blood Flow & Circulation for Men & Women
L-ARGININE PRO$39.01920 rev
Trending
90-day click momentumVitamatic L-Arginine Pure Powder 500 Gram | Unflavored | Non GMO | Gluten Free | No Additives | 5000mg Per Serving | 100 Servings
Vitamatic$17.904.4★
Nutricost L-Arginine Powder 1KG - Pure L-Arginine 5g Per Serving
Nutricost$35.754.2★
BulkSupplements.com L-Arginine Powder - L-Arginine Base Arginine 1000mg Arginine Supplement - Nitric Oxide Powder Nitrous Oxide Supplement - Gluten Free 1000mg per Serving 500g (1.1 lbs)
BulkSupplements$21.194.4★
Pure Encapsulations L-Arginine - 1 400 mg - Support Nitric Oxide Production - Heart Health & Blood Flow* - Gluten Free & Non-GMO - 180 Capsules
Pure Encapsulations$47.794.7★
L Arginine L Citrulline Powder - Invigorating Nitric Oxide Powder with Ideal 1:1 Ratio L-Citrulline & L-Arginine 1000mg Each Per Serving for Enhanced Pumps Energy & Stamina (Unflavored 75 Servings)
Evlution$18.514.5★
What reviews say buyers love and hate about l arginine powder
What buyers praise and complain about, mined from review topics.What buyers love
“reliable product to consider”
“It has clean ingredients and works great”
“a great value for the money”
“- Effective for Blood Pressure: I have noticed real improvements since using this”
“It has been very effective for me”
“No weird aftertaste”
“free of clutter”
“mixes fairly well”
“Overall its still a solid basic supplement for the price”
“As described”
What buyers complain about
“This is supposed to be tasteless”
“a chemical smell”
“the flavor experience is rough”
“the manufacturer see this message because a repetitive issue like this may be a bad quality control issue”
“this l-arginine powder may be unflavored”
“Slightly bitter”
“for the first couple of weeks I would have diarrhea if I took it”
“Dont use it if you wanna have diarrhea”
“half the dose only on my 3 workout days”
“It doesn't come with a measuring scoop you have to buy one separately”
Top return reasons
Common l arginine powder questions
- Is l arginine powder profitable to sell on Amazon United States?
- The niche generates $185K/yr across 19 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.4%. Flapen's verdict: Worth a look (53/100).
- How competitive is the l arginine powder niche?
- 11 brands and 23 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in l arginine powder?
- Top complaints mined from reviews: Taste-Overall, Smell, Flavor. The return rate is 0.0%.
- When does demand for l arginine powder peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the l arginine powder niche?
- Listings span $12.85–$47.79; the average listing price is $24.59 (sweet spot $15–$100). The average incumbent carries 1,571 reviews — the moat a new listing must climb.